1 /*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "snapshotserializehugeobject_fuzzer.h"
17
18 #include "ecmascript/log_wrapper.h"
19 #include "ecmascript/object_factory.h"
20 #include "ecmascript/snapshot/mem/snapshot.h"
21
22 using namespace panda;
23 using namespace panda::ecmascript;
24
25 namespace OHOS {
SnapshotSerializeHugeObjectFuzzTest(const uint8_t* data, size_t size)26 void SnapshotSerializeHugeObjectFuzzTest(const uint8_t* data, size_t size)
27 {
28 RuntimeOption option;
29 option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
30 EcmaVM *vm = JSNApi::CreateJSVM(option);
31 {
32 JsiFastNativeScope scope(vm);
33 if (size <= 0) {
34 return;
35 }
36 auto factory = vm->GetFactory();
37 const uint32_t hugeSize = 256 * 1024;
38 JSHandle<TaggedArray> array = factory->NewTaggedArray(hugeSize + *data); // new huge object tagged array
39 if (*data > 0) {
40 JSHandle<TaggedArray> array1 = factory->NewTaggedArray(hugeSize + *data);
41 array->Set(vm->GetAssociatedJSThread(), 0, array1.GetTaggedValue());
42 }
43 const CString fileName = "snapshot";
44 Snapshot snapshotSerialize(vm);
45 // serialize
46 snapshotSerialize.Serialize(*array, nullptr, fileName);
47 // deserialize
48 Snapshot snapshotDeserialize(vm);
49 snapshotDeserialize.Deserialize(SnapshotType::VM_ROOT, fileName);
50 // remove snapshot file if exist
51 std::remove(fileName.c_str());
52 }
53 JSNApi::DestroyJSVM(vm);
54 }
55 }
56
57 // Fuzzer entry point.
LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)58 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
59 {
60 // Run your code on data.
61 OHOS::SnapshotSerializeHugeObjectFuzzTest(data, size);
62 return 0;
63 }